Revolutionary ATI Outdoor SKS Featherweight Non-Swivel Bipod offers exceptional features at less cost. Mounts to bayonet lug. Weighs only 6oz. Simply press the "snap-n-lock" button to fold legs forward, down or rearward. To extend/retract legs in ONE SECOND from 9" to 13", twist thumbnut screw. All hardware is included for installation without gunsmithing. Will not scratch rust or dent. Allows use of a sling and includes non-slip rubber feet. made in specialized factories by ATI Outdoors of black, glass-filled nylon.